Helena Chemical Co. Oakland, NE Contact Information 900 N. Charde Avenue , Oakland, NE, Nebraska 68045 (402) 233-3206 Location Get Directions By car By public transit Walking Bicycling HoursMonday to Friday, 8:00 am - 5:00 pm Plastic Pesticide Containers 1 2 3 4 50.000 Does this listing contain inaccurate information? If so please send us a correction. Your name Your email Subject Please describe what corrections need to be made to the listing.