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 801–900 of 5,239 · page 9 of 53

SiteScore GatedPages read Report
Alliancebernstein Holding L.p. alliancebernstein.comAB · Investment Advice (SIC 6282); web address from Wikidata (P856), not EDGAR 52 No 32
Good Times Restaurants Inc. no website on recordGTIM · Retail-Eating Places (SIC 5812); no web address found — No —
Scotts Miracle-Gro Co scotts.comblockedSMG · Agricultural Chemicals (SIC 2870); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 — No —
Orrstown Financial Services Inc no website on recordORRF · State Commercial Banks (SIC 6022); no web address found — No —
Dynex Capital Inc no website on recordDX, DX-PC · Real Estate Investment Trusts (SIC 6798); no web address found — No —
Edison International edison.comEIX · Electric Services (SIC 4911); S&P 500 · Utilities; web address found by crawling for the S&P 500 list, not carried by EDGAR 59 No 32
Microchip Technology Inc microchip.comblockedMCHP, MCHPP · 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; not measured: HTTP 403 (Akamai) — No —
Cleanspark, Inc. cleanspark.comCLSK, CLSKW · Finance Services (SIC 6199); web address from Wikidata (P856), not EDGAR 48 No 11
Interlink Electronics Inc no website on recordLINK · Computer Peripheral Equipment, NEC (SIC 3577); no web address found — No —
Wsfs Financial Corp wsfsbank.comWSFS · National Commercial Banks (SIC 6021); web address from Wikidata (P856), not EDGAR 63 No 32
Starbucks Corp starbucks.comSBUX · Retail-Eating & Drinking Places (SIC 5810); S&P 500 · Consumer Discretionary; web address found by crawling for the S&P 500 list, not carried by EDGAR 40 No 24
Inuvo, Inc. no website on recordINUV · Services-Advertising (SIC 7310); no web address found — No —
Citigroup Inc citigroup.comC, C-PN, C-PR · National Commercial Banks (SIC 6021); S&P 500 · Financials; web address found by crawling for the S&P 500 list, not carried by EDGAR 54 No 32
Freeport-McMoran Inc fcx.comFCX · Metal Mining (SIC 1000); S&P 500 · Materials; web address found by crawling for the S&P 500 list, not carried by EDGAR 57 No 7
Tetra Tech Inc tetratech.comTTEK · Services-Engineering Services (SIC 8711); web address from Wikidata (P856), not EDGAR 56 No 32
Idex Corp /DE/ idexcorp.comIEX · Pumps & Pumping Equipment (SIC 3561); S&P 500 · Industrials; web address found by crawling for the S&P 500 list, not carried by EDGAR 42 No 32
E.W. SCRIPPS Co no website on recordSSP · Television Broadcasting Stations (SIC 4833); no web address found — No —
GeoVax Labs, Inc. no website on recordGOVX · Pharmaceutical Preparations (SIC 2834); no web address found — No —
Signet Jewelers Ltd signetjewelers.comblockedSIG · Retail-Jewelry Stores (SIC 5944); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Meritage Homes CORP meritagehomes.comMTH · Operative Builders (SIC 1531); web address from Wikidata (P856), not EDGAR 47 Gated 32
Johnson Controls International plc johnsoncontrols.comJCI · Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (SIC 3585); S&P 500 · Industrials; web address found by crawling for the S&P 500 list, not carried by EDGAR 53 Gated 32
Power Integrations Inc no website on recordPOWI · Semiconductors & Related Devices (SIC 3674); no web address found — No —
Biolife Solutions Inc no website on recordBLFS · Electromedical & Electrotherapeutic Apparatus (SIC 3845); no web address found — No —
Mgp Ingredients Inc no website on recordMGPI · Wholesale-Beer, Wine & Distilled Alcoholic Beverages (SIC 5180); no web address found — No —
Stock Yards Bancorp, Inc. no website on recordSYBT · State Commercial Banks (SIC 6022); no web address found — No —
Diageo Plc diageo.comblockedDEO · Beverages (SIC 2080); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 — No —
Lindsay Corp lindsay.comLNN · Farm Machinery & Equipment (SIC 3523); web address from Wikidata (P856), not EDGAR 47 No 32
Innovative Solutions & Support Inc no website on recordIA · Services-Computer Programming Services (SIC 7371); no web address found — No —
Callaway Golf Co callawaygolf.comblockedCALY · Sporting & Athletic Goods, NEC (SIC 3949); web address from Wikidata (P856), not EDGAR; not measured: HTTP 429 (rate limited) at every rate tried, after 4 attempts — No —
Willamette Valley Vineyards Inc willamettevalleyvineyards.comWVVI, WVVIP · Beverages (SIC 2080); web address from Wikidata (P856), not EDGAR 28 Gated 1
Westwater Resources, Inc. no website on recordWWR · Metal Mining (SIC 1000); no web address found — No —
Vodafone Group Public Ltd Co vodafone.comblockedVOD · Radiotelephone Communications (SIC 4812); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 — No —
FirstCash Holdings, Inc. firstcash.comFCFS · Retail-Miscellaneous Retail (SIC 5900); web address from Wikidata (P856), not EDGAR 64 No 32
Clearone Inc no website on recordCLRO · Telephone & Telegraph Apparatus (SIC 3661); no web address found — No —
BIO-TECHNE Corp bio-techne.comTECH · Biological Products, (No Diagnostic Substances) (SIC 2836); S&P 500 · Health Care; web address found by crawling for the S&P 500 list, not carried by EDGAR 33 Gated 1
Lear Corp lear.comLEA · Motor Vehicle Parts & Accessories (SIC 3714); web address from Wikidata (P856), not EDGAR 44 Gated 32
Banco Bilbao Vizcaya Argentaria, S.a. bbva.esblockedBBVA · Commercial Banks, NEC (SIC 6029); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 — No —
Isabella Bank Corp no website on recordISBA · State Commercial Banks (SIC 6022); no web address found — No —
Trimas Corp no website on recordTRS · Metal Forgings & Stampings (SIC 3460); no web address found — No —
Blue Ridge Bankshares, Inc. no website on recordBRBS · State Commercial Banks (SIC 6022); no web address found — No —
ACCESS Newswire Inc. no website on recordACCS · Services-Management Consulting Services (SIC 8742); no web address found — No —
Frp Holdings, Inc. no website on recordFRPH · Real Estate (SIC 6500); no web address found — No —
NatWest Group plc no website on recordNWG · Commercial Banks, NEC (SIC 6029); no web address found — No —
Woodside Energy Group Ltd woodside.comblockedWDS · Crude Petroleum & Natural Gas (SIC 1311); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Tetra Technologies Inc no website on recordTTI · Crude Petroleum & Natural Gas (SIC 1311); no web address found — No —
Federal Agricultural Mortgage Corp farmermac.comAGM, AGM-A, AGM-PD · Federal & Federally-Sponsored Credit Agencies (SIC 6111); web address from Wikidata (P856), not EDGAR 51 Gated 32
Smith & Nephew Plc smith-nephew.comSNN · Orthopedic, Prosthetic & Surgical Appliances & Supplies (SIC 3842); web address from Wikidata (P856), not EDGAR 49 No 32
Dime Commercial Bancshares, Inc. /NY/ dime.comDCOM, DCBG, DCOM-P · National Commercial Banks (SIC 6021); web address from Wikidata (P856), not EDGAR 49 No 32
Fuel Tech, Inc. no website on recordFTEK · Industrial & Commercial Fans & Blowers & Air Purifing Equip (SIC 3564); no web address found — No —
Heritage Global Inc. no website on recordHGBL · Services-Business Services, NEC (SIC 7389); no web address found — No —
Lifevantage Corp lifevantage.comblockedLFVN · Pharmaceutical Preparations (SIC 2834); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Crh Public Ltd Co crh.comCRH · Cement, Hydraulic (SIC 3241); S&P 500 · Materials; web address found by crawling for the S&P 500 list, not carried by EDGAR 52 No 32
Gen Digital Inc. gendigital.comGEN, GENVR · Services-Prepackaged Software (SIC 7372); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR 53 No 32
Silgan Holdings Inc silganholdings.comblockedSLGN · Metal Cans (SIC 3411); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Horace Mann Educators Corp /DE/ no website on recordHMN · Fire, Marine & Casualty Insurance (SIC 6331); no web address found — No —
Tredegar Corp tredegar.comTG · Rolling Drawing & Extruding of Nonferrous Metals (SIC 3350); web address from Wikidata (P856), not EDGAR 48 No 1
Cognex Corp cognex.comblockedCGNX · Industrial Instruments For Measurement, Display, and Control (SIC 3823); web address from Wikidata (P856), not EDGAR; not measured: HTTP 429 (rate limited) at every rate tried, after 4 attempts — No —
Harmonic Inc. harmonicinc.comHLIT · Radio & Tv Broadcasting & Communications Equipment (SIC 3663); web address from Wikidata (P856), not EDGAR 54 Gated 32
Exponent Inc exponent.comEXPO · Services-Management Consulting Services (SIC 8742); web address from Wikidata (P856), not EDGAR 48 Gated 32
Mohawk Industries Inc mohawkind.comMHK · Carpets & Rugs (SIC 2273); web address from Wikidata (P856), not EDGAR 69 No 31
Landstar System Inc landstar.comLSTR · Trucking (No Local) (SIC 4213); web address from Wikidata (P856), not EDGAR 62 No 29
Great Southern Bancorp, Inc. no website on recordGSBC · State Commercial Banks (SIC 6022); no web address found — No —
Digi International Inc digi.comDGII · Computer Communications Equipment (SIC 3576); web address from Wikidata (P856), not EDGAR 49 No 32
Lattice Semiconductor Corp latticesemi.comLSCC · Semiconductors & Related Devices (SIC 3674); web address from Wikidata (P856), not EDGAR 59 No 32
Milestone Scientific Inc. no website on recordMLSS · Orthopedic, Prosthetic & Surgical Appliances & Supplies (SIC 3842); no web address found — No —
Merit Medical Systems Inc no website on recordMMSI · Surgical & Medical Instruments & Apparatus (SIC 3841); no web address found — No —
Ptc Inc. ptc.comblockedPTC · Services-Prepackaged Software (SIC 7372); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 — No —
United Community Banks Inc no website on recordUCB · State Commercial Banks (SIC 6022); no web address found — No —
Intercontinental Hotels Group Plc /New/ ihgplc.comblockedIHG · Hotels & Motels (SIC 7011); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Cisco Systems, Inc. cisco.comCSCO · 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 44 Gated 5
First Community Bankshares Inc /VA/ no website on recordFCBC · State Commercial Banks (SIC 6022); no web address found — No —
First Interstate Bancsystem Inc firstinterstatebank.comFIBK · State Commercial Banks (SIC 6022); web address from Wikidata (P856), not EDGAR 46 Gated 32
Copt Defense Properties copt.comCDP · Real Estate Investment Trusts (SIC 6798); web address from Wikidata (P856), not EDGAR 56 No 32
HCA Healthcare, Inc. hcahealthcare.comHCA · Services-General Medical & Surgical Hospitals, NEC (SIC 8062); S&P 500 · Health Care; web address found by crawling for the S&P 500 list, not carried by EDGAR 38 Gated 32
Tyler Technologies Inc tylertech.comblockedTYL · Services-Prepackaged Software (SIC 7372); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 — No —
KEMPER Corp kemper.comKMPR, KMPB · Fire, Marine & Casualty Insurance (SIC 6331); web address from Wikidata (P856), not EDGAR 56 No 32
Granite Construction Inc graniteconstruction.comGVA · Heavy Construction Other Than Bldg Const - Contractors (SIC 1600); web address from Wikidata (P856), not EDGAR 63 No 32
Cathay General Bancorp cathaybank.comCATY · State Commercial Banks (SIC 6022); web address from Wikidata (P856), not EDGAR 53 Gated 32
Reliance, Inc. no website on recordRS · Wholesale-Metals Service Centers & of fices (SIC 5051); no web address found — No —
Cryo Cell International Inc no website on recordCCEL · Services-Misc Health & Allied Services, NEC (SIC 8090); no web address found — No —
Financial Institutions Inc no website on recordFISI · National Commercial Banks (SIC 6021); no web address found — No —
Rio Tinto Plc riotinto.comRIO · Metal Mining (SIC 1000); web address from Wikidata (P856), not EDGAR 60 No 32
Artesian Resources Corp no website on recordARTNA · Water Supply (SIC 4941); no web address found — No —
Benchmark Electronics Inc bench.comBHE · Printed Circuit Boards (SIC 3672); web address from Wikidata (P856), not EDGAR 60 No 32
Veru Inc. no website on recordVERU · Pharmaceutical Preparations (SIC 2834); no web address found — No —
Sypris Solutions Inc no website on recordSYPR · Industrial Instruments For Measurement, Display, and Control (SIC 3823); no web address found — No —
Trimble Inc. trimble.comTRMB · Measuring & Controlling Devices, NEC (SIC 3829); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR 61 No 32
Monster Beverage Corp monsterbevcorp.comblockedMNST · Bottled & Canned Soft Drinks & Carbonated Waters (SIC 2086); S&P 500 · Consumer Staples; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Matrix Service Co no website on recordMTRX · Construction - Special Trade Contractors (SIC 1700); no web address found — No —
Allegro Microsystems, Inc. allegromicro.comALGM · Semiconductors & Related Devices (SIC 3674); web address from Wikidata (P856), not EDGAR 38 No 1
Flex Ltd. flex.comFLEX · Printed Circuit Boards (SIC 3672); S&P 500 · Information Technology; web address found by crawling for the S&P 500 list, not carried by EDGAR 53 No 32
Esco Technologies Inc no website on recordESE · Communications Equipment, NEC (SIC 3669); no web address found — No —
Scholastic Corp scholastic.comSCHL · Books: Publishing or Publishing & Printing (SIC 2731); web address from Wikidata (P856), not EDGAR 50 No 32
Autozone Inc autozone.comblockedAZO · Retail-Auto & Home Supply Stores (SIC 5531); S&P 500 · Consumer Discretionary; web address found by crawling for the S&P 500 list, not carried by EDGAR; not measured: HTTP 403 (DataDome) — No —
Hornbeck Offshore Services, Inc. helixesg.comHOS · Oil & Gas Field Services, NEC (SIC 1389); web address from Wikidata (P856), not EDGAR 53 Gated 1
Precision Optics Corporation, Inc. no website on recordPOCI · Electromedical & Electrotherapeutic Apparatus (SIC 3845); no web address found — No —
Glacier Bancorp, Inc. glacierbancorp.comblockedGBCI · State Commercial Banks (SIC 6022); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Telus Corp telus.comblockedTU · Radiotelephone Communications (SIC 4812); web address from Wikidata (P856), not EDGAR; not measured: HTTP 403 (Cloudflare) — No —
Dorman Products, Inc. no website on recordDORM · Motor Vehicle Parts & Accessories (SIC 3714); no web address found — No —
Aecom aecom.comACM · Services-Engineering Services (SIC 8711); web address from Wikidata (P856), not EDGAR 57 No 31

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