
P.O.W.E.R. Magazine
Woman of Empowerment
Marcie Manfredonia-Siciliano honored by the Professional Organization of Women of Excellence Recognized for outstanding leadership in commercial facility services.
About Nationwide Maintenance · Since 1993
From luxury retailers to government facilities, property managers across New York, New Jersey, and Connecticut rely on one trusted maintenance partner — Nationwide.


Why Choose Us
Nationwide Maintenance is a women-owned, full-service facility maintenance and construction company. From cleaning a single storefront overnight to managing a multi-state retail rollout, you can rely on Nationwide for all of your day-to-day and emergency maintenance needs — including a 24-hour emergency response line.
Accredited By:

What We Do
Instead of juggling multiple vendors, you can rely on Nationwide as your single source. Our crews are uniformed, fully insured, and trained on the brand standards of the country's most demanding retailers and property managers.
Stop juggling cleaners, contractors, and pest control. We consolidate every facility need under one trusted maintenance partner.
Fully insured and equipped facility teams operating across the Tri-State — uniformed, vetted, and accountable to your standards.
Floods, boardups, lockouts, graffiti — our emergency line is staffed 365 days a year with 2–4 hour response windows.
Women's Business Enterprise certification satisfies Fortune 500 and government procurement requirements out of the box.
How We Work
We combine responsive service, clear communication, and experienced project management to keep your accounts operating at full strength — whether that's a single location or a national rollout.
Talk to Our TeamResponsive service, clear communication, and seasoned project management on every account.
Clients benefit from 24/7 emergency support, scalable crews, and a team that understands the demands of large commercial environments.
Whether you manage a single storefront or a multi-state portfolio, we tailor solutions to your locations, brand standards, and budget.
We sweat the details so your property is the one your customers want to visit, work in, or shop in.
Our Story
Marcie Manfredonia-Siciliano launches a small commercial cleaning company in Westchester County, NY.
Operations expand across New York, New Jersey, and Connecticut as Fortune 500 retailers come on board.
Earns full Women's Business Enterprise certification — opening doors to corporate procurement contracts.
Adds construction, pest control, landscaping, and 24/7 emergency response under one roof.
Servicing 500+ commercial locations with multi-state account management for national brands.
About the Owner
Founder & CEO · Honored Woman of Empowerment

For over three decades, Marcie has built Nationwide Maintenance from a small family cleaning business into a Tri-State maintenance and construction company trusted by Fortune 500 brands, government agencies, and luxury retailers.
Her journey — from overcoming family hardship as a young single mother to leading a multi-million dollar business — shapes the company's culture of service, perseverance, and family values.
Inducted into the WBE Hall of Fame and recognized by P.O.W.E.R. (Professional Organization of Women of Excellence Recognized) for her continuous contributions and dedication.
What Drives Us
Most of our clients have been with us for over a decade. We earn that trust every single visit.
Real people answer the phone. Real supervisors walk the site. No call centers, no runaround.
Awarded by P.O.W.E.R. for Women of Excellence — but the real recognition is a clean, well-run facility.
Awards & Press Coverage

P.O.W.E.R. Magazine
Marcie Manfredonia-Siciliano honored by the Professional Organization of Women of Excellence Recognized for outstanding leadership in commercial facility services.

Kudos Feature
Featured for transforming a small family cleaning business into a multi-location Tri-State maintenance powerhouse trusted by Fortune 500 brands.
We Are Accredited By

A Few of Our Satisfied Customers
Long-term maintenance partnerships built on trust, consistency, and measurable results — from luxury retailers to government facilities.

One call. One trusted partner. 30+ years of proven service across the Tri-State.