The Team

Steve Klug


Steve Klug has been in the janitorial service industry for more than 25 years and is the sole founder of Raritan Building Services Corp. (RBSC). Following in his late father’s footprints, at an early age, learned the business from the ground up prior and during his college years. After achieving his Bachelor of Science degree in finance and economics, Steve Klug, harnessed his entrepreneurial insight and started RBSC with his own capital and as the sole employee of the company. He worked as a sales person by day and a janitor at night. His industry experience and the core value of college education together shaped his passionate desire to carve out a thriving business.

Today, Steve Klug continues to actively be involved in all facets of the company. He takes great pride in fostering on-going partnerships with his client mindful of the ever changing economical climate as it relates to services provided by RBSC.

Linda DaSilva

Executive Vice President

Linda DaSilva has been a part of Raritan Building Services Corp. since 2001. As the company’s sales manager she leads the expansion of the company’s customer base in all 4 sectors of our business model. Her unique ability to unite the main functions of the operations, financial, and administrative arms of the company set the team’s footing on a common path to excellence in the janitorial service industry.

Maggie Hernandez

Vice President, Operations

Maggie Hernandez has been with Raritan Building Services Corp. since its inception in 1991, and is at the head of all operations activities in the company. Ms. Hernandez has a proven track record of leadership in her career in building maintenance. Her attention to detail in all phases of cleaning and governing is what has propelled her to the top rungs of the janitorial service industry.


Years in Business


Million Sq Ft Serviced Nightly




States Served

Green Technology

Why Clients Work With Us


Making your workplace look nice isn't enough anymore. Raritan offers commercial and janitorial cleaning solutions that are customized for any space.

Why Us?

What Our Clients Are Saying

Raritan Building Services has been our cleaning company for well over a decade and counting. If you are looking for a trustworthy company to come in and get the job done and get it done the way you want it done, the RBSC Team will make sure you have the plan in place that best suits your needs… Their staff is always professional, attentive, and on time. When we are leaving the ballpark for the night, their crew is coming in to get going on our job. When we get back in the morning, you would never be able to tell that we had over 6,000 people inside the ballpark the night before…

Bryan I.
Vice President of Operations
Somerset Patriots Baseball Team

RBSC has been a pleasure to work with throughout the years. With their consistent professionalism, quick response time, and attention to detail, RBSC has proven to be an asset in the property management industry.

Cheryl S.
Operations Manager
KRE Group

I just wanted to take a moment to recognize the great work Raritan Building Services Corp. has provided my organization. RBSC has serviced multiple King’s Supermarket locations throughout the New Jersey area for over 11 years. I have always been able to count on their team to provide quality and professional service every night. I would highly recommend them. Thank you for always doing a great job!

Allen M.,
VP of Engineering, Construction, Real Estate, Maintenance and Purchasing
Kings Super Markets