Unclaimed profileSeeded from SAM.gov and USAspending public records

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M & B STEEL, INC.

TRUJILLO ALTO, PR 00978
Corporate Entity (Not Tax Exempt)

UEIDULCXYLH2937CAGE9Z4P6NAICS238190

SAM expired
No verified credentials yet
CMMCNot on file
SPRSNone
FCLVisible to paid members

Registration and small-business types: SAM.gov, synced Nov 9, 2026. Compliance: self-attested by the company unless marked verified. The SPRS chip shows a range, never the exact score. How verification works

36-mo obligations: $0
Awards on record: 0
Contract vehicles: 0
Verified credentials: 0

SAM.gov registration expired

The registration expired on Nov 12, 2026. Federal awards require an active SAM.gov registration (FAR 4.1102), so confirm renewal before proposing this company as a team member.

View on SAM.gov (opens in a new tab)Learn more about SAM registration and the UEI

About M & B STEEL, INC.

M & B STEEL, INC. is a SAM.gov-registered entity based in TRUJILLO ALTO, PR 00978. UEI DULCXYLH2937; CAGE 9Z4P6; primary NAICS 238190. Compliance posture not provided. SAM registration expired.

Headquarters: TRUJILLO ALTO, PR 00978

Identifiers

UEI and CAGE come from SAM.gov. Other identifiers are listed by the company.

UEIDULCXYLH2937
CAGE9Z4P6

Capabilities & differentiators

No capability narrative yet

The company has not published a capability narrative. Its SAM.gov registration, NAICS codes and award history are below.

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Compliance posture

Every credential shows who vouches for it: verified by TeamingIndex, or self-attested by the contractor.

No compliance posture published yet

Compliance facts appear once the company claims this profile and publishes them.

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Facility clearance

Facility clearance: visible to paid members

Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). Learn more about facility clearances · Compare plans

Past performance

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No federal prime awards on record

USAspending shows no prime awards for this UEI in the last 36 months. Subcontract work does not appear here.

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Contract vehicles

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No contract vehicles on file

This company has not listed GWAC, IDIQ, GSA Schedule or OTA consortium holdings.

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Proven teaming graph

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Who M & B STEEL, INC. has actually worked with, from sub-awards that prime contractors report to the government. Use it to see which primes already trust this company.

No sub-award reports yet

Prime contractors report first-tier subcontracts of $30,000 or more. None name this company yet, which is common for companies that mostly win prime contracts or work below the reporting threshold.

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Source: USAspending.gov sub-award reports (FSRS) (opens in a new tab) · sync date not recorded · Prime contractors report first-tier subcontracts of $30,000 or more. Amounts are reported sub-award values.

SBIR/STTR portfolio

Learn more About SBIR/STTR

Small Business Innovation Research and Technology Transfer awards: early-stage federal R&D money this company has won.

No SBIR/STTR awards on record

Awards appear here automatically after SBIR.gov publishes them.

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Source: SBIR.gov award records (opens in a new tab) · sync date not recorded

FedRAMP offerings

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Cloud services this company lists on the FedRAMP Marketplace, the government's record of cloud authorizations.

No FedRAMP Marketplace listing

No FedRAMP Marketplace listing is linked to this company. Cloud providers appear here automatically once FedRAMP lists their offering.

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Source: FedRAMP Marketplace (opens in a new tab) · sync date not recorded

Exclusions & screening

Exclusions Screening list

Checks a prime runs before teaming: SAM.gov exclusions (debarment and suspension) and the government's Consolidated Screening List for export and sanctions lists.

SAM.gov exclusions

Not yet checked against SAM.gov exclusions.

Search exclusions on SAM.gov (opens in a new tab)

Agencies generally may not award to excluded parties, and primes may not subcontract with them above the threshold in FAR 52.209-6 (except COTS items) without a compelling reason reported to the contracting officer (FAR 9.405, 9.405-2). Some exclusion types apply only to specific programs: read the record on SAM.gov.

Source: SAM.gov Exclusions (opens in a new tab) · sync date not recorded

Consolidated Screening List

No confirmed match on the Consolidated Screening List (screened Nov 13, 2026).

The list combines Commerce, State and Treasury export-control and sanctions lists. A “no match” result is a name-and-address screen, not an export-compliance determination.

Source: ITA Consolidated Screening List (opens in a new tab) · as of Nov 13, 2026

GSA CALC+ rate benchmark

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Hourly ceiling rates this company was awarded on GSA contracts, compared with the market for similar labor categories. Ceiling rates are the most an agency can be charged, not prices paid.

No GSA CALC+ rates on record

Companies with a GSA Multiple Award Schedule contract appear here after CALC+ publishes their awarded labor rates.

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Source: GSA CALC+ awarded ceiling rates (opens in a new tab) · sync date not recorded

NAICS, PSC & socio-economic status

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Industry codes and small-business programs reported in SAM.gov.

NAICS codes

238190Other Foundation, Structure, and Building Exterior ContractorsPrimary
238160Roofing Contractors
332812Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers

SAM.gov does not report this entity as small under any listed NAICS code.

Socio-economic status

No socio-economic certifications reported in SAM.gov.

Product & service codes (PSC)

5660FENCING, FENCES, GATES AND COMPONENTS
C1EAARCHITECT AND ENGINEERING- CONSTRUCTION: AMMUNITION FACILITIES
C1EBARCHITECT AND ENGINEERING- CONSTRUCTION: MAINTENANCE BUILDINGS
C1EZARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER INDUSTRIAL BUILDINGS
C1FBARCHITECT AND ENGINEERING- CONSTRUCTION: RECREATIONAL BUILDINGS
C1GCARCHITECT AND ENGINEERING- CONSTRUCTION: FUEL STORAGE BUILDINGS
C1GDARCHITECT AND ENGINEERING- CONSTRUCTION: OPEN STORAGE FACILITIES
C1GZARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER WAREHOUSE BUILDINGS
J095MAINT/REPAIR/REBUILD OF EQUIPMENT- METAL BARS, SHEETS, AND SHAPES
K095MODIFICATION OF EQUIPMENT- METAL BARS, SHEETS, AND SHAPES
N095INSTALLATION OF EQUIPMENT- METAL BARS, SHEETS, AND SHAPES
S215HOUSEKEEPING- WAREHOUSING/STORAGE
Y1AACONSTRUCTION OF OFFICE BUILDINGS
Y1GDCONSTRUCTION OF OPEN STORAGE FACILITIES
Y1NZCONSTRUCTION OF OTHER UTILITIES
Z1AAMAINTENANCE OF OFFICE BUILDINGS
Z1JZMAINTENANCE OF MISCELLANEOUS BUILDINGS
Z2AAREPAIR OR ALTERATION OF OFFICE BUILDINGS
Z2ABREPAIR OR ALTERATION OF CONFERENCE SPACE AND FACILITIES
Z2AZREPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS
Z2BAREPAIR OR ALTERATION OF AIR TRAFFIC CONTROL TOWERS

PSC names from the Acquisition.gov PSC Manual (opens in a new tab) (April 2025 edition), checked Nov 12, 2026.

Teaming preferences

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This company has not published teaming preferences.

SAM.gov teaming eligibility: Not eligible to be proposed until the SAM.gov registration is active again.

Business development contact

No BD contact published

Contact details appear once the company claims this profile.

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Corporate hierarchy

Affiliation & size

Immediate parent and highest-level owner as reported in SAM.gov.

No parent entity reported in SAM.gov.

SBA counts affiliates when it determines whether a business is small (13 CFR 121.103), so a parent’s size can matter for set-aside work.

Data sources & provenance

Who stands behind each fact on this page, and how to correct it.

SAM.gov
Registration, CAGE, NAICS, socio-economic status, corporate hierarchy and exclusions. Last synced Nov 9, 2026.
USAspending.gov
Prime award history and obligations (FPDS), synced nightly.
The contractor
Nothing yet: this profile has not been claimed by the company.
TeamingIndex verification
Credentials marked Verified were checked by a TeamingIndex reviewer; everything else is self-attested.

Corrections

Corrections to SAM.gov data must be made in SAM.gov; TeamingIndex picks them up on the next nightly sync. Go to SAM.gov (opens in a new tab)

Machine-readable: capability.md schema.org JSON-LD embedded in this page.

Zero CUI: TeamingIndex stores verification metadata only, never System Security Plans, POA&Ms or DD Form 254s.

Teaming

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