Mark Williams

Who is Apex? We’re a team of award-winning professionals who tackle environmental challenges to save our clients time and money. If you’re seeking responsive service and real-time results, contact us! We’d be happy to help. If you provide that caliber of technical excellence, contact us as well! We’re always seeking top talent. Our competitors tout results. We deliver them. We saved one client over $30M while helping them achieve local community support and national recognition. But don’t take our word for it. Ask our clients. Partner with Apex. Discover what sets us apart. You’ll be glad you did. About Apex Established in 1988, Apex is a national multidisciplinary consulting and engineering services firm with a robust portfolio of capabilities in water, environmental, health and safety, construction management, transportation, compliance and assurance, and infrastructure. Rated #13 as an ENR All-Environmental firm and #63 in the top 200 overall, we are known for our technical expertise, rapid response, operational integrity, and exceptional client satisfaction. We operate in all 50 states and maintain a highly capable and diverse team of scientists, geologists, engineers, technicians, and information management specialists. At Apex, we pride ourselves on our culture of diversity and inclusion. We respect and appreciate the rich differences that race, gender identity and expression, family, sexual orientation, age, national origin, work experience, education, physical ability, and religion bring to the fabric of our organization. For Apex, it’s not just a box to check. We believe it’s the collaborative foundation that drives our success.