> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/st-louis-mo/facilities-services/ # Facilities Services Companies in St. Louis, MO The bigger facilities services companies headquartered in St. Louis, MO, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the facilities services companies counted in St. Louis, MO, the biggest by headcount range include 4m Building Solutions, Buildingstars and Color Art. They are mostly very small: 71% have 50 or fewer employees. ## Which facilities services companies are in St. Louis? Among the companies whose public profile lists Facilities Services as their industry and St. Louis, MO as their headquarters, the biggest by headcount range include 4m Building Solutions, Buildingstars, Color Art, Royal Papers - Royalab and Rdi - Receivedeliverinstall. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | 4m Building Solutions | 1,001 to 5,000 | | Buildingstars | 501 to 1,000 | | Color Art | 51 to 200 | | Royal Papers - Royalab | 51 to 200 | | Rdi - Receivedeliverinstall | 51 to 200 | | Spotless Building Services | 51 to 200 | | Servpro Of St. Louis Central | 51 to 200 | | Regency Enterprises Services | 51 to 200 | | St. Louis Parking | 51 to 200 | | Manley Companies | 51 to 200 | | Gamma Tree Experts | 51 to 200 | | Merlo Plumbing | 51 to 200 | | O'hara Outdoors | 11 to 50 | | Ancenta Cleaning Services | 11 to 50 | | Horstmann Brothers Landscaping | 11 to 50 | | Schneider Industries | 11 to 50 | | Swinter Group | 11 to 50 | | Precision Office Installers | 11 to 50 | | Advanced Elevator | 11 to 50 | | Servpro Of St Louis | 11 to 50 | | St. Louis Cleaning And Restoration | 11 to 50 | | New Leaf Lawn & Landscape | 11 to 50 | | Clean-Tek Flooring Systems | 11 to 50 | | Snow Control Team | 11 to 50 | | Camelot Services | 11 to 50 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do facilities services companies in St. Louis do? Facilities Services is a broad label. The most common NAICS codes among them are 561720 (50%), 323111 (17%) and 533110 (17%). **Figure: What facilities services companies in St. Louis do.** Bars for the share of counted facilities services companies with each code: 561720 50%, 323111 17%, 533110 17%, 561990 17%. *Share of counted facilities services companies in St. Louis by their NAICS code.* [NAICS 561720](https://enrich.chat/naics/561720/) ## How big are they? 71% of the facilities services companies counted in St. Louis have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of facilities services companies in St. Louis.** Seven columns for the share of counted facilities services companies in St. Louis in each employee range: 11 to 50 71%, 51 to 200 24%, 201 to 500 0%, 501 to 1,000 2%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted facilities services companies in St. Louis in each employee range.* ## How do you reach the people at facilities services companies in St. Louis? The people to talk to are usually owners, operations and sales leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the facilities services companies in St. Louis, MO ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the owners, operations and sales leaders at facilities services companies in St. Louis, MO, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in St. Louis: [Construction Companies](https://enrich.chat/companies-in/st-louis-mo/construction/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/st-louis-mo/hospitals-and-health-care/)[Advertising Agencies](https://enrich.chat/companies-in/st-louis-mo/advertising-services/)[Real Estate Companies](https://enrich.chat/companies-in/st-louis-mo/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/st-louis-mo/it-services-and-it-consulting/)[Software Companies](https://enrich.chat/companies-in/st-louis-mo/software-development/)[Nonprofit Organizations](https://enrich.chat/companies-in/st-louis-mo/non-profit-organizations/)[Financial Services Companies](https://enrich.chat/companies-in/st-louis-mo/financial-services/)[Insurance Companies](https://enrich.chat/companies-in/st-louis-mo/insurance/)[Architecture Firms](https://enrich.chat/companies-in/st-louis-mo/architecture-and-planning/)[Manufacturers](https://enrich.chat/companies-in/st-louis-mo/manufacturing/)[Consulting Firms](https://enrich.chat/companies-in/st-louis-mo/business-consulting-and-services/)[Machinery Manufacturers](https://enrich.chat/companies-in/st-louis-mo/machinery-manufacturing/)[Wholesale Distributors](https://enrich.chat/companies-in/st-louis-mo/wholesale/)[All of St. Louis](https://enrich.chat/companies-in/st-louis-mo/) Facilities Services Companies in other cities: [Houston, TX](https://enrich.chat/companies-in/houston-tx/facilities-services/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/facilities-services/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/facilities-services/)[Phoenix, AZ](https://enrich.chat/companies-in/phoenix-az/facilities-services/)[Charlotte, NC](https://enrich.chat/companies-in/charlotte-nc/facilities-services/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/facilities-services/)[Las Vegas, NV](https://enrich.chat/companies-in/las-vegas-nv/facilities-services/)[Orlando, FL](https://enrich.chat/companies-in/orlando-fl/facilities-services/)[Indianapolis, IN](https://enrich.chat/companies-in/indianapolis-in/facilities-services/)[San Antonio, TX](https://enrich.chat/companies-in/san-antonio-tx/facilities-services/) ## Frequently asked questions ### Which are the biggest facilities services companies in St. Louis? Among those counted, they include 4m Building Solutions, Buildingstars, Color Art, Royal Papers - Royalab and Rdi - Receivedeliverinstall, ranked by headcount range. ### How big are facilities services companies in St. Louis? 71% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as facilities services? Companies whose public profile lists Facilities Services as their industry and whose headquarters are in St. Louis, MO. ## Try this prompt Find the people at facilities services companies in St. Louis ```text Use www.enrich.chat to find the owners, operations and sales leaders at facilities services companies in St. Louis, MO, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Construction Companies in St. Louis](https://enrich.chat/companies-in/st-louis-mo/construction/) - [Hospitals and Health Care Organizations in St. Louis](https://enrich.chat/companies-in/st-louis-mo/hospitals-and-health-care/) - [Advertising Agencies in St. Louis](https://enrich.chat/companies-in/st-louis-mo/advertising-services/) - [Real Estate Companies in St. Louis](https://enrich.chat/companies-in/st-louis-mo/real-estate/) - [Facilities Services Companies in Houston](https://enrich.chat/companies-in/houston-tx/facilities-services/) - [Facilities Services Companies in Austin](https://enrich.chat/companies-in/austin-tx/facilities-services/) - [Facilities Services Companies in Dallas](https://enrich.chat/companies-in/dallas-tx/facilities-services/) - [Facilities Services Companies in Phoenix](https://enrich.chat/companies-in/phoenix-az/facilities-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)