Eastern Technical, Inc. (ETI), Maryland’s foremost mechanical services provider, offers decades of experience in servicing the commercial, medical, and institutional sectors. Our customers in the Mid-Atlantic area include the region’s leaders in medicine, government, industry, education, and general contracting. Our collective experience spans from the Atlantic to the Pacific coasts in support of our customers’ mission critical mechanical systems. ETI’s mission is to be your first choice for all of your mechanical services, allowing you to focus on your business, knowing that your critical systems are in trusted hands. Our services range from design to installation to maintenance and repair. On call 24 Hour/ 7 Day Emergency Service