Https://fishbowlinventory.com (Free trial, then $5k). Source: almost 3 years ago

Also.. There are a few preferred email lookup integrations expandi.io has. I no longer see them listed on site. But they have a ton of built I integrations plus api + webhooks. There chat/email support is very good you could ask. Https://help.expandi.io/en/collections/3042112-webhooks-and-integrations-api. Source: 12 months ago

If you want to target people that have not interacted with any landing page pixel or LinkedIn content, only those that connected, I would use https://expandi.io/ first to get them pixeled on a page or post/article/opt-in form. Then make custom audience on that. Otherwise I think what you got is the best way. Zapier & make & Waalaxys etc. Will all cost operations. But perhapse it is not worth targeting those not... Source: 12 months ago

Also cold emails / DMS to business. Try linkedIN marketing tool like https://expandi.io. Source: over 1 year ago

Live broke for a few months while things close up, save up some of that juicy six figs, then when shit hits the fan, use the saved up money to hire a lead gen expert or invest in lead gen software like expandi.io. Source: over 2 years ago

I use Expandi and while it's not cheap, it works well. We have gotten big enough to outsource some of the building to a marketing company and they run our connections now. I post my own daily content, scheduled and unscheduled. Unscheduled content is "Me being me" and scheduled content is educational in nature. Source: over 2 years ago