In 1990, Donna Rosenstein established Diversified Chemical and Supply, Inc. True to its name, the company began as a diversified source of industrial, cleaning, and maintenance supplies to businesses in the Houston, Texas area and was built around Donna’s reputation for strong partnerships, service excellence, training, and education.

Since the company’s inception, Donna has remained true to her founding principles and built Diversified into a company that has become a symbol for entrepreneurship, innovative solutions, operational excellence, and environmental stewardship in the cleaning and maintenance industry and the communities it serves.

Donna is an active member of organizations including Women’s Business Enterprise National Council, Women’s Business Enterprise Alliance, Women’s Business Council Southwest, and is committed to providing opportunities for women to learn, grow, and succeed in the business environment.

Nationally Certified Woman-Owned Business
Member: Women’s Business Enterprise National Council,
Women’s Business Enterprise Alliance and
Women’s Business Council Southwest
HUB Certified by the City of Houston and the State of Texas

We are Innovative Solutions.
Innovative solutions can come in many forms. Whether it’s an innovative product that improves worker productivity, an innovative service that reduces procurement costs, or an innovative training program that increases workplace wellness, the opportunities are endless and benefits are tremendous. Let our team of experts show you how our commitment to innovative solutions will provide significant contributions to your business.

We are Operational Excellence.
Convenience, reliasbility, and hassle-free service are at the heart of how we do business. Through our distribution centers and network of distribution alliances, product offering, and business-to-business capabilities, we make doing business with us easy for you. Let our team of experts show you how our commitment to operational excellence will make doing business with us as convenient, reliable, and hassle-free as it gets.

Through our central operations in Houston, Texas and network of regional and national distribution alliances, we are equipped to meet your business needs wherever you are.