I've worked at Reliable nearly 20 years now. They have treated me like family. Roughly half of 420 employees have been here 10 years or more. They have many divisions and positions to choose from or work up to. Great benefits including health insurance and tuition assistance. Reliable has been in business 89 years and still going strong.
Cons
Field workers need to be prepared for 6 week temporary layoff in the winter. Unemployment benefits apply though.