EntityWire

EntityWire / EIN 75-3097988

Employer with a benefit plan

MASTERTECH SERVICES, INC.

EIN 75-3097988. What DOL Form 5500 filings (EFAST2), DOL Form 5500-SF filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data and Texas Comptroller active franchise taxpayers file say about this entity, with the source and date on every fact. Latest record 2026-09-05.

Employer with a benefit plan · State registration on file

MASTERTECH SERVICES, INC.

Also filed as MASTERTECH COOLING TOWER SERVICES, INC.

691 CORPORATE CIRCLE, GOLDEN, CO 80401

EIN

75-3097988

Texas registration

Active · Foreign profit corporation

TX Comptroller · 2026-09-05

Texas document number

0800187614

TX Comptroller · 2026-09-05

Florida registration

Active · Foreign profit corporation

FL Div. of Corporations · 2026-07-10

Florida document number

F04000002239

FL Div. of Corporations · 2026-07-10

Registered in Florida

2004-04-22

FL Div. of Corporations · 2026-07-10

Registered agent

C T CORPORATION SYSTEM

FL Div. of Corporations · 2026-07-10

Last registry activity

2007-01-29

FL Div. of Corporations · 2026-07-10

Benefit plan 501, 2024 filing

MASTERTECH AND COOLING TOWERS HEALTH AND BENEFITS PLAN

DOL · 2026-02-06

Participants (start of year)

177

DOL · 2026-02-06

Plan features

code 4A4B4D4E4F4H4L4Q

DOL · 2026-02-06

Plan type

Single-employer plan

DOL · 2026-02-06

Business code (NAICS)

333410

DOL · 2026-02-06

Benefit plan 2, 2024 filing

MASTERTECH SERVICES, INC. 401(K) PLAN

DOL · 2025-10-10

Participants (start of year)

87

DOL · 2025-10-10

What this record is

Public federal filings that carry this EIN, shown as filed. Nothing here is scraped from the IRS and nothing is inferred.

What it is not

Registry status, formation date, and registered agent come from the state where the entity is registered, not from these federal filings.

If something is wrong

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Other Colorado businesses on file

All 294 Colorado businesses on file

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