for the consulting firm question http://www.enterprisedb.com/ http://www.enterprisedb.com/ and http://www.commandprompt.com/ http://www.commandprompt.com/ are

for the consulting firm question http://www.enterprisedb.com/ http://www.enterprisedb.com/ and http://www.commandprompt.com/ http://www.commandprompt.com/ are large contributors to postgres and have great mindshare in the community