https://support.nwf.org/page/18537/survey/1?locale=en-US -fill out the form to get a Free Butterfly Garden Seed Packet from the National Wildlife Federation.

https://altnps.org/clean-up-kits – fill out the form to get a Free Alt National Park Service Clean Up Kit. It includes:
Biodegradable bright green colored bags
Washable bright-colored gloves
Reflective vest
Sunscreen
Purell Hand Sanitiser bottle (Dependent Upon Avaliability)
Purell Hand Sanitizing Wipes (Dependent upon availability)
First Aid Kit
Restore Our Parks bumper sticker
It sounds like they’re sending these out(along with the seed packets) as they get donations and sales, so they’ve only been able to send out a few thousand so far.

https://nest.com/energy-partners/national-grid -if you sign up for Rush Hour Rewards you’ll get a $25 reward and a nest Mini, and a $20 reward at the end of the summer. It gives National Grid control of your thermostat up to 15 times during the summer(but you can keep control if you’re at home). Check out the terms before signing up, and you must have a Next thermostat.
https://nest.com/energy-partners/national-grid-uny -it’s $30 and $20 for National Grid New York Customers.

https://drinknomi.com/products/citrus-sampler-6-pack -click add to cart and checkout. Enter discount code 95C7M9 at checkout to make it free with free shipping.

https://pages.email-ford.com/the-works-for-essential-workers/ -“Front-line and essential workers can get The Works®, courtesy of FordPass Rewards. The Works* includes a Synthetic Blend Oil Change, Tire Rotation, Vehicle Checkup and more, at participating dealerships and Quick Lane® Tire & Auto Center locations.”

-You don’t have to drive a Ford to get this, it works for any vehicle.

https://www.nwcb.wa.gov/bee-u-tify -if you live in the state of Washington click the request image and fill out the form to get a Free pack of Wildflower seeds.

https://workingathlete.com/pages/free-sample-pack -fill out the form to get Free Working Athlete Hydrate & Recover Sports Drink Mix Samples. Company name required.

https://www.prevail.com/try-prevail/free-samples/ -fill out the form to get a Free Prevail Adult Incontinence Product Sample. –Update – this is still available if you didn’t get it yet.

https://www.surveymonkey.com/r/FreeCollar -fill out the form to get a Free YOOS Essential Oil Collar for Dogs.