Triangle Environmental Science & Engineering, Inc.
Triangle Environmental Science & Engineering, Inc. is a small business in Rolla, MO registered on SAM.gov to bid on federal contracts. It has won about $17,325 in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- DJ4RLFNXTF77
- CAGE code
- 52DE0
- SAM.gov registration
- Active
Federal contract history
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Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Triangle Environmental Science & Engineering, Inc. |
|---|---|
| Unique Entity ID (UEI) | DJ4RLFNXTF77 |
| CAGE code | 52DE0 |
| Location | Rolla, MO |
| SAM.gov registration | Active through Mar 9, 2027 |
| Business started | 1990 |
| Primary NAICS code | 541620: Environmental Consulting Services |
| Website | www.triangleenvironmentalrolla.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI DJ4RLFNXTF77 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
- Women-owned (self-reported in SAM.gov)
- Women-owned small business (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet. Self-reported business types are what the firm says about itself on SAM.gov; they aren't SBA certifications.
Check or correct this record at the source: open its SAM.gov entry, or search UEI DJ4RLFNXTF77 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Triangle Environmental Science & Engineering, Inc. is small under
On its SAM.gov registration, Triangle Environmental Science & Engineering, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in Triangle Environmental Science & Engineering, Inc.'s NAICS codes
18 open federal opportunities on SAM.gov use one of Triangle Environmental Science & Engineering, Inc.'s NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside or one for a status it reports about itself on SAM.gov (women-owned (WOSB)). Here are a few, those in its primary code first (none of these are in Missouri right now), then the soonest due.
Confirm eligibility first. Triangle Environmental Science & Engineering, Inc.'s women-owned (WOSB) status is self-reported on SAM.gov, and this page can't confirm an SBA certification for it, so set-asides for it may be relevant but may not be open to it: WOSB and EDWOSB set-asides need SBA WOSB program certification. SBA's Small Business Search shows a firm's current certifications.
- Phase I Environmental Site Assessment at Lower Grey Cloud Slough Islands
Due in 4 daysNov 11, 2026, 3:00 PM CST
- Pine Bluff Arsenal Testing, Lab and Engineering Services
Due in 5 daysNov 12, 2026, 2:00 PM CST
- BPA CALL for Cultural Resources Investigation Irrigation Pipeline Project
Due in 6 daysNov 13, 2026, 4:30 PM EST
- Request for Comments for Draft PWS EPA OCSPP
Due in 9 daysNov 16, 2026, 12:00 PM EST
- Requirement to support the Formerly Used Defense Sites (FUDS) Program Single Award Task Order Contract (SATOC)
✦ This is a sources sought notice (market research, not a solicitation) from the U.S. Army Corps of Engineers Savannah District.
Due in 11 daysNov 18, 2026, 5:00 PM EST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (541620) that have won federal contracts in Missouri and nearby states:
- Swallow Tail, LLC, Belton, MO
- Riverfront Safety & Health, LC, Saint Louis, MO
- Occu-Tec Inc, Kansas City, MO
- St John Environmental Consulting LLC, Saint Louis, MO
- Environmental Consulting Group, Inc., Elmhurst, IL
- Pizzo & Associates, LTD., Leland, IL
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Mar 9, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Triangle Environmental Science & Engineering, Inc.'s CAGE code?
Triangle Environmental Science & Engineering, Inc.'s CAGE code is 52DE0. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Triangle Environmental Science & Engineering, Inc.'s UEI?
Triangle Environmental Science & Engineering, Inc.'s Unique Entity ID (UEI) is DJ4RLFNXTF77. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Triangle Environmental Science & Engineering, Inc.'s SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Triangle Environmental Science & Engineering, Inc.'s registration is active through Mar 9, 2027. Registrations are renewed every year.
Is Triangle Environmental Science & Engineering, Inc. a small business?
Triangle Environmental Science & Engineering, Inc. is registered on SAM.gov as small under 2 NAICS codes, including its primary code, 541620. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
- Hiring subcontractors? List small businesses by state, NAICS code and certification
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.