US Public Companies

public-companies

Every SEC-registered operating company with a security listed on a US exchange, each with the vertical its SIC code gives.

Index 12.0 · scanned 2026-10-11 · up to 32 URLs per site · 5239 organizations · 1745 scanned (33.3% coverage) · 3029 with no published URL

Median score 53 across 1745 sites
Middle half 44–59 spread around the median
Full range 18–77 lowest to highest
Gated 700 of 1745 block AI crawlers outright

Middle of 14 cohorts. All cohorts 50 · best cohort 58.

Where this list came from

The source, and how we filtered it

Source SEC company tickers by exchange, with EDGAR submissions (SIC code, website) and, for the S&P 500 flag, the Wikipedia constituent list, US Securities and Exchange Commission (SEC), with Wikidata and Wikipedia (2026-10-11)
LicenseSEC filings and the SEC's published data files are a work of the United States federal government and carry no domestic copyright (17 U.S.C. § 105). Web addresses found nowhere on EDGAR come from Wikidata (CC0) or from our own crawl of the S&P 500 list, disclosed per row. Membership of the S&P 500 comes from Wikipedia's constituent list, CC BY-SA 4.0, the same license this cohort goes out under; “S&P 500” is a registered trademark of S&P Dow Jones Indices LLC, naming the constituents is descriptive use, and nothing here is endorsed by or affiliated with S&P.
How we filtered itEvery CIK the SEC lists with a security on Nasdaq, NYSE, CBOE or TXSE (OTC and unlisted entries are not listed securities and are left out), read against its EDGAR submissions record for the SIC code, the company's own website and its tickers. Excluded as not operating companies: SIC 6221 (commodity pools and trusts), 6726 (unit investment trusts and investment vehicles), 6189 (asset-backed issuers), 6770 (blank-check shells), registrants with no SIC code (ETFs and grantor trusts) and registrants whose name says fund or exchange-traded product. A company with several share classes is one row. The web address is EDGAR's own `website` where it has one; else the address found by crawling for the S&P 500 list; else Wikidata's official website (P856) for the entity whose SEC CIK property (P5531) matches; else the row stays with a note. Each row says which. The vertical of each row is its SIC code's, through one table with ticker overrides (ten7_air/census/build_public_companies.py). Companies that share a website are all kept and measured once. The roster is as of the build date, and rows are in CIK order because the SEC data carries no measure of size to rank by. See scripts/prepare_public_companies.py.
Instead ofThe S&P 500 alone, which this replaces: a list of 500 chosen by a committee, where the SEC's is every listed company and the 500 stay identifiable inside it.
Built2026-10-11

The filtering is ours and is disclosed as ours. The source published a list; the decision about which rows of it belong in a cohort was a judgment call, and it is written down so somebody can disagree with it.

Distribution

Where the 1745 sites land

GradeShare of the cohort SitesShare
Adequate
427 24.5%
Not ready
315 18.1%
Weak
996 57.1%
Strong
7 0.4%
By dimension

What the cohort earns, dimension by dimension

The mean share of each dimension’s available points that this cohort earned. Low here means the whole sector is weak on it, not that one site dragged an average down. The per-site spread is in the dataset.

DimensionMean share earned Mean
#1 · Reach
These parameters determine the fundamental ease of access that AI has to your site information.
72%
#2 · Read
AI generally turns off JavaScript. Does your site information survive without it?
45%
#3 · Understand
Does a machine know who and what you are?
29%
#4 · Act
Sitemaps, redirects, 404s, licensing terms, and not wasting the crawl budget.
63%
How much of each site we read

The cap is 32 URLs and it is a ceiling, not a promise. A portal whose every link points at a different host yields one page; a university yields the full sample. The median here is 32, the range 1–32, published so that "we sampled 32 URLs per site" cannot become a claim the data does not support.

51 sites in this cohort served a certificate we could not verify. They were read anyway and scored normally, because reporting no response for a site every browser loads would describe our TLS stack rather than the site, and each one carries the finding in its row.

Where this cohort fails

2 tests almost nobody in this cohort passes

Universal — nobody passes these 2 checks
TestWhat it asks FailingOf Points
EXT-17 Do you list your agents in your domain's DNS records?
100.0%
1625 0
EXT-7 If you run real question-and-answer pages, are they marked as such?
100.0%
43 0
Near-universal — 95% and above 11 checks · 2 of them worth 2 points or more
TestWhat it asks FailingOf Points
EXT-12 Do you tell search engines the moment a page changes?
99.9%
1745 0
EXT-16 Do you publish a card or a skills list for the agents you run?
99.8%
1745 0
EXT-11 Have you marked the part of a page that answers a spoken question?
99.7%
1745 0
PST-2 Have you posted a Content Signals statement about what AI may do with your content?
99.1%
1745 0
EXT-2 Do you list your APIs and agent tools where agents look for them?
98.8%
259 0
RED-10 Do you offer a plain-text (Markdown) copy of your pages?
98.5%
1272 2
EXT-14 Does your site offer its actions to AI browsers as tools?
98.4%
1603 0
RED-12 If a machine asks for Markdown, does your site give it?
97.9%
1745 2
EXT-18 Do you tell AI shoppers how they can pay?
96.8%
188 0
RED-5 Do your PDFs and images have their own rules for search and quoting?
96.1%
1147 1
EXT-15 Can an AI agent find out how to sign in to your site?
95.2%
21 0
Common — 90 to 95% 3 checks · 1 of them worth 2 points or more
TestWhat it asks FailingOf Points
UND-5 Does the author label in your page code point to that person?
94.3%
1238 1
UND-1 Does your site say clearly who you are?
91.5%
1745 2
EXT-1 Do you publish an llms.txt file for coding assistants?
90.0%
1745 0

Coral bars mark tests worth 2 points or more, the failures that actually move a score.

Every site

Every 5,239, named, with a report for each

Whether or not it has been scanned. Rows with no website on record, sites that were unreachable and sites that turned us away stay in the table with the reason on them, and none of them enters an average: dropping them would shrink the population to the part that was easy to measure. A few points between two neighbors is noise. The box filters every row in the cohort, not only the page you are on; click a header to sort the rows on this page by name or by score.

Showing 1,401–1,500 of 5,239 · page 15 of 53

SiteScore GatedPages read Report
Intellicheck, Inc. no website on recordIDN · Services-Prepackaged Software (SIC 7372); no web address found — No —
Sl Green Realty Corp slgreen.comSLG, SLG-PI · Real Estate Investment Trusts (SIC 6798); web address from Wikidata (P856), not EDGAR 39 Gated 32
Rockwell Medical, Inc. rockwellmed.comRMTI · Pharmaceutical Preparations (SIC 2834); web address from Wikidata (P856), not EDGAR 40 No 16
Yum Brands Inc yum.comYUM · Retail-Eating Places (SIC 5812); S&P 500 · Consumer Discretionary; web address found by crawling for the S&P 500 list, not carried by EDGAR 33 Gated 1
Riverview Bancorp Inc no website on recordRVSB · Savings Institution, Federally Chartered (SIC 6035); no web address found — No —
Lesaka Technologies Inc no website on recordLSAK · Functions Related To Depository Banking, NEC (SIC 6099); no web address found — No —
Urban One, Inc. urban1.comUONE, UONEK · Radio Broadcasting Stations (SIC 4832); web address from Wikidata (P856), not EDGAR 50 No 32
Energy Co of Parana no website on recordELPC · Electric Services (SIC 4911); no web address found — No —
Pricesmart Inc shop.pricesmart.comPSMT · Retail-Variety Stores (SIC 5331); web address from Wikidata (P856), not EDGAR 55 No 1
Childrens Place, Inc. childrensplace.comPLCE · Retail-Family Clothing Stores (SIC 5651); web address from Wikidata (P856), not EDGAR 48 Gated 32
Edap Tms Sa no website on recordFOCL · Electromedical & Electrotherapeutic Apparatus (SIC 3845); no web address found — No —
American Financial Group Inc afginc.comblockedAFG, AFGB, AFGC · Fire, Marine & Casualty Insurance (SIC 6331); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 — No —
Yunhong Green Cti Ltd. no website on recordYHGJ · Fabricated Rubber Products, NEC (SIC 3060); no web address found — No —
Mercantile Bank Corp no website on recordMBWM · State Commercial Banks (SIC 6022); no web address found — No —
Piedmont Realty Trust, Inc. no website on recordPDM · Opeators of Nonresidential Buildings (SIC 6512); no web address found — No —
Innovex International, Inc. no website on recordINVX · Oil & Gas Field Machinery & Equipment (SIC 3533); no web address found — No —
Sonida Senior Living, Inc. sonidaseniorliving.comSNDA · Services-Nursing & Personal Care Facilities (SIC 8050); web address from Wikidata (P856), not EDGAR 51 Gated 32
Stabilis Solutions, Inc. no website on recordSLNG · Natural Gas Distribution (SIC 4924); no web address found — No —
Annaly Capital Management Inc annaly.comblockedNLY, NLY-PF, NLY-PG · Real Estate Investment Trusts (SIC 6798); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
C. H. Robinson Worldwide, Inc. chrobinson.comCHRW · Arrangement of Transportation of Freight & Cargo (SIC 4731); S&P 500 · Industrials; web address found by crawling for the S&P 500 list, not carried by EDGAR 54 Gated 32
Stoneridge Inc no website on recordSRI · Motor Vehicle Parts & Accessories (SIC 3714); no web address found — No —
Sonic Automotive Inc sonicautomotive.comblockedSAH · Retail-Auto Dealers & Gasoline Stations (SIC 5500); web address from Wikidata (P856), not EDGAR; not measured: HTTP 429 (rate limited) at every rate tried, after 4 attempts — No —
Precipio, Inc. no website on recordPRPO · Laboratory Analytical Instruments (SIC 3826); no web address found — No —
OneSpan Inc. onespan.comOSPN · Services-Computer Integrated Systems Design (SIC 7373); web address from Wikidata (P856), not EDGAR 56 Gated 28
Epr Properties eprkc.comEPR, EPR-PC, EPR-PE · Real Estate Investment Trusts (SIC 6798); web address from Wikidata (P856), not EDGAR 67 No 32
Canadian Imperial Bank of Commerce /Can/ no website on recordCM · Commercial Banks, NEC (SIC 6029); no web address found — No —
Prologis, Inc. prologis.comblockedPLD · Real Estate Investment Trusts (SIC 6798); S&P 500 · Real Estate; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 (Cloudflare) — No —
LIVE VENTURES Inc no website on recordLIVE · Retail-Miscellaneous Retail (SIC 5900); no web address found — No —
Nvidia Corp nvidia.comNVDA · Semiconductors & Related Devices (SIC 3674); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR 52 Gated 32
Formula Systems (1985) Ltd formulasystems.comFORTY · Services-Computer Programming Services (SIC 7371); web address from Wikidata (P856), not EDGAR 53 No 4
Heritage Financial Corp /Wa/ no website on recordHFWA · Savings Institutions, Not Federally Chartered (SIC 6036); no web address found — No —
Timberland Bancorp Inc no website on recordTSBK · Savings Institutions, Not Federally Chartered (SIC 6036); no web address found — No —
Rb Global Inc. no website on recordRBA · Services-Business Services, NEC (SIC 7389); no web address found — No —
Taiwan Semiconductor Manufacturing Co Ltd tsmc.comblockedTSM · Semiconductors & Related Devices (SIC 3674); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Ingredion Inc ingredion.comINGR · Grain Mill Products (SIC 2040); web address from Wikidata (P856), not EDGAR 61 No 32
Choice Hotels International Inc /DE choicehotels.comCHH · Hotels & Motels (SIC 7011); web address from Wikidata (P856), not EDGAR 28 Gated 1
PERDOCEO EDUCATION Corp careered.comblockedPRDO · Services-Educational Services (SIC 8200); web address from Wikidata (P856), not EDGAR; not measured: challenge page (Imperva) — No —
Amkor Technology, Inc. amkor.comAMKR · Semiconductors & Related Devices (SIC 3674); web address from Wikidata (P856), not EDGAR 65 No 32
National Healthcare Corp no website on recordNHC · Services-Skilled Nursing Care Facilities (SIC 8051); no web address found — No —
Del Monte Corp freshdelmonte.comDMC · Agricultural Production-Crops (SIC 0100); web address from Wikidata (P856), not EDGAR 51 Gated 31
Latam Airlines Group S.a. no website on recordLTM · Air Transportation, Scheduled (SIC 4512); no web address found — No —
Consolidated Edison Inc coned.comED · Electric & Other Services Combined (SIC 4931); S&P 500 · Utilities; web address found by crawling for the S&P 500 list, not carried by EDGAR 35 Gated 1
IES Holdings, Inc. ies-co.comIESC · Electrical Work (SIC 1731); web address from Wikidata (P856), not EDGAR 40 No 1
Marriott International Inc /MD/ marriott.comblockedMAR · Hotels & Motels (SIC 7011); S&P 500 · Consumer Discretionary; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 (Akamai) — No —
Biomarin Pharmaceutical Inc biomarin.comBMRN · Pharmaceutical Preparations (SIC 2834); web address from Wikidata (P856), not EDGAR 28 Gated 1
F5, Inc. f5.comFFIV · Computer Communications Equipment (SIC 3576); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR 53 Gated 32
Fedex Corp fedex.comFDX · Air Courier Services (SIC 4513); S&P 500 · Industrials; web address found by crawling for the S&P 500 list, not carried by EDGAR 64 No 1
Mks Inc no website on recordMKSI · Industrial Instruments For Measurement, Display, and Control (SIC 3823); no web address found — No —
Mercury Systems Inc mrcy.comMRCY · Electronic Components & Accessories (SIC 3670); web address from Wikidata (P856), not EDGAR 58 No 32
Compx International Inc no website on recordCIX · Cutlery, Handtools & General Hardware (SIC 3420); no web address found — No —
National Steel Co csn.com.brSID · Steel Works, Blast Furnaces & Rolling & Finishing Mills (SIC 3310); web address from Wikidata (P856), not EDGAR 33 Gated 1
Descartes Systems Group Inc descartes.comDSGX · Services-Prepackaged Software (SIC 7372); web address from Wikidata (P856), not EDGAR 62 No 32
PC Connection Inc connection.comblockedCNXN · Wholesale-Computers & Peripheral Equipment & Software (SIC 5045); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Akamai) — No —
Eagle Bancorp Inc eaglebankcorp.comEGBN · State Commercial Banks (SIC 6022); web address from Wikidata (P856), not EDGAR 46 Gated 32
Strategy Inc microstrategy.comblockedMSTR, STRC, STRD · Finance Services (SIC 6199); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 — No —
Peapack Gladstone Financial Corp no website on recordPGC · Commercial Banks, NEC (SIC 6029); no web address found — No —
Columbia Sportswear Co columbia.comblockedCOLM · Apparel & Other Finishd Prods of Fabrics & Similar Matl (SIC 2300); vertical set by hand: a consumer brand that sells direct online; its SIC code is the factory's; web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Quanta Services, Inc. quantaservices.comPWR · Electrical Work (SIC 1731); S&P 500 · Industrials; web address found by crawling for the S&P 500 list, not carried by EDGAR 62 No 32
Crown Castle Inc. crowncastle.comCCI · Real Estate Investment Trusts (SIC 6798); S&P 500 · Real Estate; web address found by crawling for the S&P 500 list, not carried by EDGAR 28 Gated 1
Telephone & Data Systems Inc /DE/ no website on recordTDS, TDS-PU, TDS-PV · Telephone Communications (No Radiotelephone) (SIC 4813); no web address found — No —
Axt Inc no website on recordAXTI · Semiconductors & Related Devices (SIC 3674); no web address found — No —
Getty Realty Corp /MD/ no website on recordGTY · Real Estate (SIC 6500); no web address found — No —
Credit Suisse Ag no website on recordGLDI, SLVO, USOI · Security Brokers, Dealers & Flotation Companies (SIC 6211); no web address found — No —
American Tower Corp /Ma/ americantower.comblockedAMT · Real Estate Investment Trusts (SIC 6798); S&P 500 · Real Estate; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 (Cloudflare) — No —
CervoMed Inc. no website on recordCRVO · Pharmaceutical Preparations (SIC 2834); no web address found — No —
Cra International, Inc. crai.comCRAI · Services-Legal Services (SIC 8111); web address from Wikidata (P856), not EDGAR 61 No 32
Innospec Inc. innospecinc.comIOSP · Chemicals & Allied Products (SIC 2800); web address from Wikidata (P856), not EDGAR 58 No 1
Mfa Financial, Inc. no website on recordMFA, MFAN, MFAO · Real Estate Investment Trusts (SIC 6798); no web address found — No —
Inovio Pharmaceuticals, Inc. inovio.comINO · Pharmaceutical Preparations (SIC 2834); web address from Wikidata (P856), not EDGAR 57 No 32
Federated Hermes, Inc. federatedinvestors.comFHI · Investment Advice (SIC 6282); web address from Wikidata (P856), not EDGAR 46 No 1
Mannatech Inc mannatech.comMTEX · Medicinal Chemicals & Botanical Products (SIC 2833); web address from Wikidata (P856), not EDGAR 60 No 1
Manhattan Associates Inc manh.comMANH · Services-Prepackaged Software (SIC 7372); web address from Wikidata (P856), not EDGAR 48 No 32
American States Water Co no website on recordAWR · Water Supply (SIC 4941); no web address found — No —
Peoples Financial Services Corp. no website on recordPFIS · National Commercial Banks (SIC 6021); no web address found — No —
Marinemax Inc no website on recordHZO · Retail-Auto & Home Supply Stores (SIC 5531); no web address found — No —
Costar Group, Inc. costargroup.comblockedCSGP · Services-Business Services, NEC (SIC 7389); S&P 500 · Real Estate; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 (Akamai) — No —
Hackett Group, Inc. no website on recordHCKT · Services-Management Consulting Services (SIC 8742); no web address found — No —
First Bancorp /Pr/ 1firstbank.comFBP · State Commercial Banks (SIC 6022); web address from Wikidata (P856), not EDGAR 58 No 32
Idacorp Inc idacorpinc.comblockedIDA · Electric Services (SIC 4911); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Chipotle Mexican Grill Inc chipotle.comCMG · Retail-Eating Places (SIC 5812); S&P 500 · Consumer Discretionary; web address found by crawling for the S&P 500 list, not carried by EDGAR 61 No 32
Cognizant Technology Solutions Corp cognizant.comCTSH · Services-Computer Programming Services (SIC 7371); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR 65 No 32
NextPlat Corp no website on recordNXPL · Telephone Communications (No Radiotelephone) (SIC 4813); no web address found — No —
Immersion Corp immersion.comIMMR · Computer Peripheral Equipment, NEC (SIC 3577); web address from Wikidata (P856), not EDGAR 50 No 32
Greystone Housing Impact Investors LP no website on recordGHI · Finance Services (SIC 6199); no web address found — No —
Moodys Corp /DE/ moodys.comblockedMCO · Services-Consumer Credit Reporting, Collection Agencies (SIC 7320); S&P 500 · Financials; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Republic Services, Inc. republicservices.comRSG · Refuse Systems (SIC 4953); S&P 500 · Industrials; web address found by crawling for the S&P 500 list, not carried by EDGAR 46 Gated 32
Carters Inc carters.comblockedCRI · Apparel & Other Finishd Prods of Fabrics & Similar Matl (SIC 2300); vertical set by hand: a consumer brand that sells direct online; its SIC code is the factory's; web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Icon Plc iconplc.comICLR · Services-Commercial Physical & Biological Research (SIC 8731); web address from Wikidata (P856), not EDGAR 63 No 32
Avalon Holdings Corp no website on recordAWX · Refuse Systems (SIC 4953); no web address found — No —
Enterprise Products Partners L.p. enterpriseproducts.comEPD · Natural Gas Transmission (SIC 4922); web address from Wikidata (P856), not EDGAR 57 No 32
Cgi Inc cgi.comGIB · Services-Management Consulting Services (SIC 8742); web address from Wikidata (P856), not EDGAR 60 Gated 32
Blackstone Mortgage Trust, Inc. no website on recordBXMT · Real Estate Investment Trusts (SIC 6798); no web address found — No —
Mexican Economic Development Inc no website on recordFMX · Bottled & Canned Soft Drinks & Carbonated Waters (SIC 2086); no web address found — No —
Gildan Activewear Inc. gildan.comblockedGIL · Apparel & Other Finishd Prods of Fabrics & Similar Matl (SIC 2300); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Cytokinetics Inc cytokinetics.comCYTK · Pharmaceutical Preparations (SIC 2834); web address from Wikidata (P856), not EDGAR 56 No 32
Dauch Corp no website on recordDCH · Motor Vehicle Parts & Accessories (SIC 3714); no web address found — No —
Amdocs Ltd amdocs.comblockedDOX · Services-Computer Programming Services (SIC 7371); web address from Wikidata (P856), not EDGAR; not measured: challenge page (Imperva) — No —
Lexicon Pharmaceuticals, Inc. lexpharma.comLXRX · Pharmaceutical Preparations (SIC 2834); web address from Wikidata (P856), not EDGAR 43 Gated 18
Denison Mines Corp. no website on recordDNN · Miscellaneous Metal Ores (SIC 1090); no web address found — No —
Simon Property Group Inc. simon.comSPG, SPG-PJ · Real Estate Investment Trusts (SIC 6798); S&P 500 · Real Estate; web address found by crawling for the S&P 500 list, not carried by EDGAR 18 Gated 1

Scores are for the population, not for ranking two named sites against each other. A few points between neighbors is noise. See what these numbers can and cannot support. Data: sites.csv · checks.csv · summary.json