COMFORT SYSTEMS USA INC
Comfort Systems USA, Inc. is an American company that provides mechanical and electrical contracting services, primarily HVAC, plumbing, piping and controls, off-site construction, monitoring and fire protection, and installation and servicing of electrical systems.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Ticker / security symbols
- FIX [1]
- Listing exchanges
- NYSE [1]
- SEC industry
- Electrical Work [1]
- Business sectors
- heating, ventilation, and air conditioning [2]
- Company / filing name
- COMFORT SYSTEMS USA INC [1]
- Headquarters location
- Houston [2]
- Business address
- 9753 KATY FREEWAY, SUITE 700, HOUSTON, TX, 77024 [1]
- Founded
- 1997 [2]
- Legal form
- Delaware corporation [2]
- Official website
- comfortsystemsusa.com ↗ [2]
- Fiscal year end
- December 31 (SEC record) [1]
- ISIN (reported securities)
- US1999081045 [2]
- CIK
- 0001035983 [1]
- SIC code
- 1731 [1]
- Country in background record
- United States [2]
Company positioning and business
Comfort Systems USA, Inc. is an American company that provides mechanical and electrical contracting services, primarily HVAC, plumbing, piping and controls, off-site construction, monitoring and fire protection, and installation and servicing of electrical systems. [3]
The company is registered in Delaware and headquartered in Houston, Texas. It has 47 operating units with 178 locations in 136 cities in the United States. It is ranked 520th on the Fortune 500. In 2024, the company was ranked 6th by Engineering News-Record on its list of the top 600 specialty contractors. [3]
In 2024, 56.7% of revenue was from installation services in newly constructed facilities and 43.3% was from renovation, expansion, maintenance, repair and replacement services in existing buildings. [3]
Background text: Wikipedia contributors, Comfort Systems USA. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Financial year, securities and disclosures
The SEC submissions record gives COMFORT SYSTEMS USA INC a fiscal year end of 1231 (MMDD). Individual filings below identify their own reporting period; the filing date is the publication event, not the financial year end. [1]
Listed securities: FIX (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [4]
History and key events
Financial results and regulatory disclosures
Annual, quarterly and current reports from the collected SEC record. Insider Forms 4 and 144 are excluded. This is a selected list, not a live filing feed.
Source-verified relationships
Companies in the same industry
Comparison candidates share the SEC SIC classification 1731. This does not imply ownership, partnership or trading relationships.
Related entities and concepts
Frequently asked questions
When was COMFORT SYSTEMS USA INC founded?
Founded: 1997. The linked source provides the background record. [2]
Where is the headquarters of COMFORT SYSTEMS USA INC?
Headquarters location: Houston. The linked source provides the background record. [2]
Which business sectors are recorded for COMFORT SYSTEMS USA INC?
Business sectors: heating, ventilation, and air conditioning. The linked source provides the background record. [2]
COMFORT SYSTEMS USA INC relationship map
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2 verified direct relationships. Industry peers are not relationship edges.
Sources and review dates
- SEC — COMFORT SYSTEMS USA INC filing identity and securities ↗
- Wikidata — company background record (CC0) ↗
- Wikipedia contributors — Comfort Systems USA (CC BY-SA 4.0) ↗
- SEC securities directory ↗
- Company chronology / filing ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.