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We are South Carolina's full-service mechanical contractor since 1903.

How may we be of service?

W.B. Guimarin service technicians provide proactive system maintenance and repairs for commercial, industrial, and institutional facilities all over South Carolina.

Request Service

If you need to make an emergency or after-hours service request, please call us directly at (803) 239-2300. We are available 24 hours a day, 7 days a week.

View All the Latest News

Columbia Commons Venue Update

W.B. Guimarin is excited to be the HVAC and plumbing contractor for the new Spirit Communications Park. The new stadium will play host to the Columbia Fireflies, and it will be open for many other activities including business meetings, concerts, and weddings. Learn more about the stadium here.

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Columbia Commons Venue Progress

Here is a look at the progress for the Columbia Commons venue. W. B. Guimarin is performing both the HVAC and Plumbing contracts at the new Columbia Commons Venue. View our construction services.

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We're Involved in Our Industry

Our trade organizations improve our industry. We encourage our employees to be actively involved in professional organizations. W.B. Guimarin & Company and its employees are proud members of the following.