Althor Products has an excellent selection at reasonable prices, but as far
as I know they do not have a website.
AHC/Althor Products Storage boxes for shells. AHC/Althor Products, 2 Turnage Lane, P.O. Box 640, Bethel, CT
06801-2853 Tel.: (203) 830-6060; (1-800-688-2693); Fax: (203) 830-6064