About Us
A Katy, Texas janitorial contractor serving commercial, medical, and industrial facilities across greater Houston since 2006.
Who We Are
A contractor built around one standard.
MGS Supply & Services maintains commercial, medical and industrial facilities across greater Houston from a base in Katy, Texas. One crew is assigned per site and held to the same documented protocol every visit.
The work runs on EPA-registered chemistry and ATP bioluminescence testing, which confirms a surface is clean at the microbial level rather than to the eye. Results are recorded and reported, so a lapse reaches us before it reaches you.
Dedicated Crews
One accountable team per site. No rotating subcontractors.
Direct Line
Reach a person who knows your account — not a queue.
Vetted & Insured
Background-checked, bonded, and covered on every site.
Documented QA
Inspection scores recorded and reported to the client.
Recognition
Top-3 rated janitorial service in Katy
BusinessRate ranks janitorial contractors by locality from aggregated Google Reviews — so it reflects what our clients wrote publicly, not what we say about ourselves. Ranked #3 of janitorial services in Katy, Texas, June 2026.
BusinessRate, June 2026 · from aggregated Google Reviews
The Team
The people who hold the standard.
The Katy office that scopes the work, schedules the crews and answers the phone.
Barbara Perez-Puebla
Sales
Rhonda Pitts
Receptionist
Edgar Nunez
Accountant
Saul Reyes
Operations Manager
Maximiliano Reyes
Brand & Digital Manager
Gisella Islas
Chief Executive Officer
How Leadership Operates
The principles behind the work.
Verifiable, not assumed
Every site is scored against a documented QA protocol, and the score is reported back to you.
Accountable by design
One crew per facility, answerable for the result. No rotating subcontractors, no handoffs.
People first
Crews are vetted, trained to protocol, and backed well enough to hold the line.
Why MGS
Why facilities standardize on us.
Most contractors staff by availability. We assign a dedicated crew to each site, accountable to the same documented protocol on every visit — so performance stays consistent, and consistency stays verifiable.
Compliant by Design
Every product is EPA-registered and every crew works to OSHA standards. In surgical suites, laboratories and food-adjacent spaces, compliance is documented rather than assumed.
Verified, Not Assumed
ATP bioluminescence testing confirms a surface is clean at the microbial level, not just to the eye. A failed reading means re-cleaning before sign-off, and UV-C or electrostatic disinfection is deployed where the risk warrants.
A Measured Track Record
100-plus facilities maintained across commercial, medical, and industrial portfolios — each scored against recurring QA audits and reported back to the client.
Response, Around the Clock
A line staffed around the clock for spill, flood and biohazard events. Facility risk keeps no business hours.
Request a site assessment.
We will walk your facility, scope the work against your requirements, and return a detailed proposal. No obligation.