I don't know if they offer work at home, but for anyone in the NorthEast, there is an employment agency called
www.flexibleresources.com, which specializes in placing women who have left the workforce to have a family, and want to get back in either as a part-time or temporary assignment capacity. They have quite an extensive list of companies they recruit for, either on a part-time or temporary capacity. I checked into them when I was pregnant with my first child. Fortunately my current company allowed me to go part-time, so I didn't leave, but it seemed at first glance like a good outfit.