From start-ups to Fortune 500 corporations, Pittsburgh businesses come in every size, and new developments seem to pop up every day. Cutting-edge research, finance, and high technology fuel the new economy. The city is forging strong ties with local universities like Pitt to encourage business growth and supply companies with talented workers. Biotechnology is booming, and Pittsburgh was recently named a National Tissue Engineering Center through a $2 million grant from the Department of Defense. Despite national economic instability, Pittsburgh has experienced positive job growth for the last decade. Health care is an economic stalwart and employs 11 percent of the region's workers.