Beer Precast Concrete Ltd., Scarborough, Ontario, won a bid to produce architectural precast panels for the newest addition to the Pfizer Inc. laboratory complex in Groton, Conn. The site is 425 miles from the plant and shipping takes about 16 hours. The Pfizer project was bid competitively after Gilbane Building Co., the construction manager, looked for as many qualified bidders as possible. Beer won the conctract because of their creativity and reputation for excellence.