Commercial janitorial
Recurring day-porter and nightly cleaning programs, floor care, carpet cleaning and pressure washing.
Commercial cleaning & facility services · Est. 1997
Commercial cleaning & facility services you can rely on
National Integrated Strategic Solutions delivers janitorial, floor care and facility management programs for offices, industrial campuses, healthcare and retail, including commercial cleaning and facility work at the Brooklyn Navy Yard.
- 20+
- Years of commercial cleaning expertise
- 60+
- Combined years of facility management experience
- 1997
- Serving facilities since
- 300+
- Acre industrial campus served at Brooklyn Navy Yard
About NISS
Cleaning and facility programs built around your building
With over 20 years of industry expertise, NISS specializes in facility management and commercial cleaning: general facility cleaning, floor and carpet care, air duct cleaning, pressure washing and restroom sanitation, delivered on a schedule that fits your operation.
Our mission is to keep your spaces consistently clean, safe and compliant, with trained crews, documented scopes of work and hands-on supervision on every account.
More about our companyFacility management support
Trained crews, on-site supervision and measurable scopes of work for offices, industrial and healthcare sites.
Quality control
Regular inspections and audits keep every space presentable, compliant and inspection-ready.
Our services
Commercial cleaning, janitorial & facility care
Commercial Janitorial & Facility Cleaning
Our core service: recurring, fully managed janitorial programs that keep commercial buildings, campuses and industrial facilities consistently clean, presentable and inspection-ready.
- Daily, nightly and weekend porter service
- Floor care — sweeping, mopping, stripping, waxing and burnishing
- Carpet cleaning and air duct cleaning
- Pressure washing for exteriors, docks and walkways
- Restroom sanitation and consumable restocking
- Trash removal, recycling and common-area upkeep
Facility Management Support
With more than 60 years of combined facility and logistics expertise, we manage the cleaning side of your operation so your team can stay focused on production, tenants and patients.
- Dedicated site supervision and trained crews
- Custom scopes of work and measurable cleaning specifications
- Quality control inspections and audits
- Post-construction and tenant turnover cleaning
- Special event and seasonal deep-clean projects
High-Touch Surface Disinfection
Built into our cleaning routines: detailed high-touch point disinfection that targets the critical contact areas where germs are most likely to spread.
- Door handles & light switches
- Desks, workstations & office equipment
- Counters, reception areas & shared spaces
- Conference rooms, elevators and restrooms
Airborne Disinfecting Treatment (Add-On)
When a deeper reset is needed, our EPA List N-approved fogging treatment covers whole buildings from ceilings to floors, including air returns and vents, eliminating 99.9% of pathogens.
- Hospital-grade, environmentally safe solutions
- Long-term antimicrobial protection available
- Safe for all surfaces, including electronics and fabrics
- Ideal after illness outbreaks, move-outs or renovations
Featured project
Brooklyn Navy Yard
NISS provides commercial cleaning and facility work at the Brooklyn Navy Yard — one of the nation's most active industrial campuses, home to hundreds of manufacturers, studios and maritime tenants.
- Commercial janitorial programs across office, studio and industrial tenant spaces
- Common-area, corridor, stairwell and restroom cleaning on a recurring schedule
- Floor care and pressure washing for high-traffic industrial environments
- Post-construction and tenant turnover cleaning
- Coordinated scheduling around active manufacturing and maritime operations
Proven results & client trust
Trusted by renowned organizations
We have successfully partnered with renowned organizations, from the Brooklyn Navy Yard to Texas museums, law firms and childcare centers, to deliver dependable commercial cleaning and facility services.
- Brooklyn Navy Yard, New York
- Houston Museum of African American Culture (HMAAC)
- The Anderson Law Group
- Childcare That Works
- Leading businesses & institutions across Texas
Testimonials
What our clients say
NISS's office clean-up is top-notch. Super reliable for our healthcare facility too, always spotless and compliant with health standards. Highly recommend!
Switched to NISS after trying several others. Their handling of our healthcare facility is top-notch, and the retail spaces always look inviting. Highly reliable.
Used a few cleaning services before; NISS's industrial cleaning is top-notch. Efficient and thorough, no fuss. Would recommend for heavy-duty needs.
FAQs
Your questions answered: quick insights for clarity and confidence
Facilities we serve
Cleaning programs for every type of facility
- Corporate offices & commercial buildings
- Industrial, manufacturing & maritime facilities
- Healthcare & medical facilities
- Retail stores & shopping centers
- Residential homes & apartments
- Salons, spas and barbershops
Ready for a cleaner facility?
Schedule a walkthrough and we will build a cleaning program around your building, occupancy and compliance requirements.